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  Table of Contents  
Year : 2017  |  Volume : 27  |  Issue : 4  |  Page : 245-246

Mucormycosis and cytomegalovirus co-infection in renal transplant recipients

Department of Nephrology, PGIMER, Chandigarh, India

Date of Web Publication3-Jul-2017

Correspondence Address:
K L Gupta
Department of Nephrology, PGIMER, Chandigarh
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/0971-4065.175977

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How to cite this article:
Gupta K L. Mucormycosis and cytomegalovirus co-infection in renal transplant recipients. Indian J Nephrol 2017;27:245-6

How to cite this URL:
Gupta K L. Mucormycosis and cytomegalovirus co-infection in renal transplant recipients. Indian J Nephrol [serial online] 2017 [cited 2020 Jun 3];27:245-6. Available from:

Opportunistic infections have a high incidence among hematopoetic and solid organ transplant recipients with compromised cell-mediated immunity induced by immunosuppression.[1] Cytomegalovirus (CMV) infection is frequently seen in the renal transplant recipients, especially those who have received T-cell depleting antibodies.[2] CMV infection produces immuno-modulatory effects, resulting in further immunosuppression that predisposes transplant recipients to develop serious non-CMV infections, like invasive fungal infections, following transplantation.[2] Mucormycosis is a rare and life-threatening invasive fungal infection caused by fungi of the Zygomycetes class and order Mucorales.[3]Rhizopus, Mucor, and Rhizomucor are the genera most frequently identified in the posttransplant setting.[4],[5] Based on the route of infection and symptomatology, mucormycosis may present with different clinical syndromes with the rhino-cerebral and pulmonary being more common. Gastrointestinal (GI) mucormycosis is rare, accounting for only 7%, and has a high mortality rate of 85%.[6] GI mucormycosis may occur in any part of the alimentary tract, with the stomach being most commonly involved. In a recent issue of this journal, Nandwani et al. have described an interesting case of CMV and Mucor co-infection of the GI tract within 4 weeks of an ABO-incompatible (ABOi) renal transplantation.

In an earlier issue of the journal, Nandwani et al. had described a 45-year-old man with end-stage renal disease, who underwent a live-donor ABOirenal transplant after appropriate preconditioning with immunosuppressive medications and plasmapheresis.[7] Posttransplant course was marked by presumably tacrolimus-induced biopsy-proven diffuse thrombotic microangiopathy causing delayed graft function requiring dialytic support. His condition gradually improved, but worsened again four weeks posttransplant, when he developed GI symptoms that were proven to be related to co-infection with CMV and Mucor on gastric histopathology. Unfortunately, the patient succumbed to these fatal infections.

Two interesting aspects of this case include – early occurrence of CMV and Mucor co-infection as well as its occurrence in the setting of an ABOi renal transplantation. Of note, both donor and recipient were CMV seropositive (D+/R+) before transplant. However, per the case report, it does not appear that the patient received anti-CMV prophylaxis. Given that CMV is the most common opportunistic pathogen in solid organ transplant recipients, both CMV disease, and asymptomatic viremia pose a major challenge. Attributable to its immuno-modulatory effects, it can impair graft survival by facilitating acute graft rejection and interstitial fibrosis/tubular atrophy. Guidelines recommend that patients with asymptomatic CMV viremia should receive preemptive valganciclovir therapy for significantly better graft survival.[8] However, given that the patient described in the case report by Nandwani et al. did not receive anti-CMV prophylaxis, it could possibly explain early-onset CMV infection. This is also compounded by the fact that patient received aggressive immunosuppresive therapy in the pre- and post-transplant setting of ABOi transplantation. ABOi transplant recipients are at high risk for opportunistic infections because of enhanced immunosuppression.[9],[10]

Mucormycosis and CMV infection can occur individually; a concomitant infection of the two as reported by Nandwani et al. is rare and was first reported by Ju et al. in 2001.[11] Independent risk factors for mucormycosis present in this patient include aggressive immunosuppression particularly with T-cell depleting agents, prolonged Intensive Care Unit stay, and renal dysfunction.[12] Initial graft dysfunction requiring augmented immunosuppression, as seen in this patient, has also been shown to be an independent predictor of mucormycosis.[12] Besides, further immunosuppressive effects of CMV infection could also have contributed to the development of this fatal invasive infection.

This case thus highlights the morbidity and mortality of mucormycosis and CMV co-infection in ABOi renal transplant recipients receiving aggressive immunosuppression. It also exemplifies the role of anti-CMV prophylaxis in patients, given the devastating effects of CMV infection on posttransplant outcomes. Improvement in patient outcomes entails preventive strategies with a high index of suspicion and early management of infection.

  References Top

Fishman JA. Infection in solid-organ transplant recipients. N Engl J Med 2007;357:2601-14.  Back to cited text no. 1
Cordero E, Casasola C, Ecarma R, Danguilan R. Cytomegalovirus disease in kidney transplant recipients: Incidence, clinical profile, and risk factors. Transplant Proc 2012;44:694-700.  Back to cited text no. 2
Gupta KL, Joshi K, Kohli HS, Jha V, Sakhuja V. Mucormycosis (zygomycosis) of renal allograft. Clin Kidney J 2012;5:502-7.  Back to cited text no. 3
Roden MM, Zaoutis TE, Buchanan WL, Knudsen TA, Sarkisova TA, Schaufele RL, et al. Epidemiology and outcome of zygomycosis: A review of 929 reported cases. Clin Infect Dis 2005;41:634-53.  Back to cited text no. 4
Petrikkos G, Skiada A, Lortholary O, Roilides E, Walsh TJ, Kontoyiannis DP. Epidemiology and clinical manifestations of mucormycosis. Clin Infect Dis 2012;54 Suppl 1:S23-34.  Back to cited text no. 5
Geramizadeh B, Modjalal M, Nabai S, Banani A, Forootan HR, Hooshdaran F, et al. Gastrointestinal zygomycosis: A report of three cases. Mycopathologia 2007;164:35-8.  Back to cited text no. 6
Nandwani A, Jha PK, Duggal R, Kher V. Invasive gastric mucormycosis and cytomegalovirus infection in an ABO incompatible renal transplant recipient. Indian J Nephrol 2015;25:373-6.  Back to cited text no. 7
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Kotton CN, Kumar D, Caliendo AM, Asberg A, Chou S, Snydman DR, et al. International consensus guidelines on the management of cytomegalovirus in solid organ transplantation. Transplantation 2010;89:779-95.  Back to cited text no. 8
Habicht A, Bröker V, Blume C, Lorenzen J, Schiffer M, Richter N, et al. Increase of infectious complications in ABO-incompatible kidney transplant recipients – A single centre experience. Nephrol Dial Transplant 2011;26:4124-31.  Back to cited text no. 9
Lentine KL, Axelrod D, Klein C, Simpkins C, Xiao H, Schnitzler MA, et al. Early clinical complications after ABO-incompatible live-donor kidney transplantation: A national study of medicare-insured recipients. Transplantation 2014;98:54-65.  Back to cited text no. 10
Ju JH, Park HS, Shin MJ, Yang CW, Kim YS, Choi YJ, et al. Successful treatment of massive lower gastrointestinal bleeding caused by mixed infection of cytomegalovirus and mucormycosis in a renal transplant recipient. Am J Nephrol 2001;21:232-6.  Back to cited text no. 11
Singh N, Aguado JM, Bonatti H, Forrest G, Gupta KL, Safdar N, et al. Zygomycosis in solid organ transplant recipients: A prospective, matched case-control study to assess risks for disease and outcome. J Infect Dis 2009;200:1002-11.  Back to cited text no. 12


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